public FontGlyphData(FontPage page, FontGlyph glyph, Rectangle rectangle)
{
this.Page = page;
this.glyph = glyph;
this.Rectangle = rectangle;
this.PaddingRectangle = page.GeneratePaddingRectangle(rectangle);
this.SpacingRectangle = page.GenerateSpacingRectangle(rectangle);
}
private IReservator ReserveRegion(FontGlyph glyph, Point point)
{
var padding = this.settings.Padding;
var metrics = glyph.Metrics;
var width = metrics.Width;
var height = metrics.Height;
var rect = new Rectangle(point.X + padding.Left, point.Y + padding.Top, width, height);
var paddingRect = this.Page.GeneratePaddingRectangle(rect);
if (paddingRect.Right > this.Rectangle.Right || paddingRect.Bottom > this.Rectangle.Bottom)
{
return(null);
}
var spacingRect = this.Page.GenerateSpacingRectangle(rect);
var nodeList = new List <FontNode>(this.count);
this.CollectNode(spacingRect, nodeList);
if (nodeList.Any() == false)
{
return(null);
}
var query1 = from item in nodeList
where item.IsLeaf
select item;
var query2 = from item in query1
where this.IntersectsWithGlyph(spacingRect) == false
select item;
if (query1.Count() != query2.Count())
{
return(null);
}
return(new Reservator(() => this.Reserve(glyph, nodeList.ToArray(), rect)));
}
private void Reserve(FontGlyph glyph, FontNode[] nodes, Rectangle region)
{
var glyphData = new FontGlyphData(this.Page, glyph, region);
foreach (var item in nodes)
{
item.AddGlyphData(glyphData);
}
var spacingRect = glyphData.SpacingRectangle;
var lt = new Point(spacingRect.Left, spacingRect.Top);
var rt = new Point(spacingRect.Right, spacingRect.Top);
var lb = new Point(spacingRect.Left, spacingRect.Bottom);
var rb = new Point(spacingRect.Right, spacingRect.Bottom);
this.pointList.Remove(lt);
this.pointList.Remove(lb);
this.pointList.Insert(0, rt);
if (this.rightBottomList.Contains(lb) == false)
{
this.pointList.Add(lb);
}
this.rightBottomList.Add(rb);
}
public IReservator ReserveRegion(FontGlyph glyph)
{
if (glyph == null)
{
throw new ArgumentNullException(nameof(glyph));
}
if (glyph.Bitmap == null)
{
return(null);
}
if (this.Parent != null)
{
throw new InvalidOperationException(Resources.Exception_RootOnlyCanBeUsed);
}
foreach (var item in this.pointList)
{
if (this.ReserveRegion(glyph, item) is IReservator reservator)
{
return(reservator);
}
}
return(null);
}
public IReservator ReserveRegion(FontGlyph glyph)
{
return(this.node.ReserveRegion(glyph));
}
